hiring of mobile crusher for crushing of coal into ( - ) 100 mm size in all three dimensions and installing suitable matching crushing arrangement at giddi-a colliery of argada area for a period of five years including initial 120 days for installation , item description/ heading , crushing of coal into ( - ) 100 mm size ( all dimensions ) by mobile crusher including receiving coal into mobile crusher , installing suitable matching crushing arrangement with all infrastructure . the element includes operation and maintenance of crushing arrangement also . ( electricity and water will be supplied free of cost by ccl ) . , total impact of gst for the purpose of ctc